./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:01,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:01,107 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Default.epf [2023-11-11 23:57:01,112 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:57:01,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:57:01,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:01,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:01,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:01,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:01,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:01,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:01,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:01,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:57:01,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:01,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:01,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:01,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:01,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:01,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:01,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:01,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:01,151 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:01,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:01,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:01,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:01,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:01,154 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:57:01,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:57:01,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:01,156 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f [2023-11-11 23:57:01,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:01,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:01,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:01,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:01,509 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:01,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c [2023-11-11 23:57:04,878 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:05,263 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:05,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c [2023-11-11 23:57:05,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/data/e83bdef37/1aaadfda03244ad799ee1a3186576635/FLAG5fa59e24d [2023-11-11 23:57:05,313 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/data/e83bdef37/1aaadfda03244ad799ee1a3186576635 [2023-11-11 23:57:05,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:05,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:05,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:05,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:05,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:05,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:05" (1/1) ... [2023-11-11 23:57:05,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615c5d6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:05, skipping insertion in model container [2023-11-11 23:57:05,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:05" (1/1) ... [2023-11-11 23:57:05,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:05,670 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260] [2023-11-11 23:57:06,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:06,165 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:06,178 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260] [2023-11-11 23:57:06,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:06,445 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:06,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06 WrapperNode [2023-11-11 23:57:06,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:06,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:06,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:06,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:06,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:06,574 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:06,966 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3704 [2023-11-11 23:57:06,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:06,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:06,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:06,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:06,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:06,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:07,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:07,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:07,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:07,301 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:07,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:07,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:07,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:07,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:07,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:07,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:07,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:06" (1/1) ... [2023-11-11 23:57:07,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:07,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:07,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:07,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:57:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:07,993 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:07,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:11,006 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:19,817 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:19,817 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:57:19,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:19 BoogieIcfgContainer [2023-11-11 23:57:19,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:19,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:19,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:19,839 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:19,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:19" (1/1) ... [2023-11-11 23:57:19,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:57:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:57:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:19,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:19,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:57:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:20,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:20,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:21,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:57:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:57:22,324 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:57:22,389 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-11 23:57:22,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:57:22 ImpRootNode [2023-11-11 23:57:22,408 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:57:22,410 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:57:22,411 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:57:22,411 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:57:22,412 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:19" (3/4) ... [2023-11-11 23:57:22,417 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:57:22,419 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:57:22,421 INFO L158 Benchmark]: Toolchain (without parser) took 17098.48ms. Allocated memory was 182.5MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 143.6MB in the beginning and 1.1GB in the end (delta: -971.8MB). Peak memory consumption was 215.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:22,421 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:22,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1120.43ms. Allocated memory is still 182.5MB. Free memory was 143.6MB in the beginning and 134.7MB in the end (delta: 8.9MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-11-11 23:57:22,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 519.87ms. Allocated memory is still 182.5MB. Free memory was 134.7MB in the beginning and 88.8MB in the end (delta: 45.8MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-11 23:57:22,427 INFO L158 Benchmark]: Boogie Preprocessor took 438.43ms. Allocated memory was 182.5MB in the beginning and 276.8MB in the end (delta: 94.4MB). Free memory was 88.8MB in the beginning and 171.2MB in the end (delta: -82.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-11 23:57:22,429 INFO L158 Benchmark]: RCFGBuilder took 12415.96ms. Allocated memory was 276.8MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 171.2MB in the beginning and 878.6MB in the end (delta: -707.4MB). Peak memory consumption was 450.3MB. Max. memory is 16.1GB. [2023-11-11 23:57:22,431 INFO L158 Benchmark]: CodeCheck took 2582.95ms. Allocated memory is still 1.4GB. Free memory was 878.6MB in the beginning and 1.1GB in the end (delta: -236.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:57:22,432 INFO L158 Benchmark]: Witness Printer took 8.85ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:57:22,447 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 161, overapproximation of bitwiseAnd at line 136. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 5); [L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (5 - 1); [L35] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 32); [L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (32 - 1); [L38] const SORT_7 var_8 = 0; [L39] const SORT_12 var_14 = 0; [L40] const SORT_1 var_22 = 1; [L41] const SORT_1 var_26 = 0; [L42] const SORT_12 var_29 = 15; [L43] const SORT_12 var_79 = 14; [L44] const SORT_12 var_97 = 13; [L45] const SORT_12 var_115 = 12; [L46] const SORT_12 var_133 = 11; [L47] const SORT_12 var_151 = 10; [L48] const SORT_12 var_169 = 9; [L49] const SORT_12 var_187 = 8; [L50] const SORT_12 var_205 = 7; [L51] const SORT_12 var_223 = 6; [L52] const SORT_12 var_241 = 5; [L53] const SORT_12 var_259 = 4; [L54] const SORT_12 var_277 = 3; [L55] const SORT_12 var_295 = 2; [L56] const SORT_12 var_313 = 1; [L57] const SORT_4 var_352 = 0; [L58] const SORT_12 var_356 = 16; [L60] SORT_1 input_2; [L61] SORT_1 input_3; [L62] SORT_4 input_5; [L63] SORT_1 input_6; [L64] SORT_1 input_391; [L65] SORT_4 input_393; [L66] SORT_1 input_409; [L67] SORT_4 input_413; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7 [L69] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L75] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L76] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L77] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L78] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L79] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L80] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L81] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L82] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L83] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L84] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L85] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L86] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L87] SORT_1 state_350 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L88] SORT_4 state_353 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L90] SORT_7 init_10_arg_1 = var_8; [L91] state_9 = init_10_arg_1 [L92] SORT_1 init_28_arg_1 = var_26; [L93] state_27 = init_28_arg_1 [L94] SORT_1 init_31_arg_1 = var_26; [L95] state_30 = init_31_arg_1 [L96] SORT_1 init_33_arg_1 = var_26; [L97] state_32 = init_33_arg_1 [L98] SORT_1 init_36_arg_1 = var_26; [L99] state_35 = init_36_arg_1 [L100] SORT_1 init_38_arg_1 = var_26; [L101] state_37 = init_38_arg_1 [L102] SORT_1 init_42_arg_1 = var_26; [L103] state_41 = init_42_arg_1 [L104] SORT_1 init_44_arg_1 = var_26; [L105] state_43 = init_44_arg_1 [L106] SORT_1 init_47_arg_1 = var_26; [L107] state_46 = init_47_arg_1 [L108] SORT_1 init_49_arg_1 = var_26; [L109] state_48 = init_49_arg_1 [L110] SORT_1 init_54_arg_1 = var_26; [L111] state_53 = init_54_arg_1 [L112] SORT_1 init_56_arg_1 = var_26; [L113] state_55 = init_56_arg_1 [L114] SORT_1 init_59_arg_1 = var_26; [L115] state_58 = init_59_arg_1 [L116] SORT_1 init_61_arg_1 = var_26; [L117] state_60 = init_61_arg_1 [L118] SORT_1 init_65_arg_1 = var_26; [L119] state_64 = init_65_arg_1 [L120] SORT_1 init_67_arg_1 = var_26; [L121] state_66 = init_67_arg_1 [L122] SORT_1 init_70_arg_1 = var_26; [L123] state_69 = init_70_arg_1 [L124] SORT_1 init_72_arg_1 = var_26; [L125] state_71 = init_72_arg_1 [L126] SORT_1 init_351_arg_1 = var_26; [L127] state_350 = init_351_arg_1 [L128] SORT_4 init_354_arg_1 = var_352; [L129] state_353 = init_354_arg_1 VAL [init_10_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_351_arg_1=0, init_354_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, mask_SORT_12=4294967295, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, msb_SORT_12=2147483648, msb_SORT_1=1, msb_SORT_4=8, msb_SORT_7=16, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13] [L132] input_2 = __VERIFIER_nondet_uchar() [L133] input_3 = __VERIFIER_nondet_uchar() [L134] input_5 = __VERIFIER_nondet_uchar() [L135] input_6 = __VERIFIER_nondet_uchar() [L136] EXPR input_6 & mask_SORT_1 [L136] input_6 = input_6 & mask_SORT_1 [L137] input_391 = __VERIFIER_nondet_uchar() [L138] input_393 = __VERIFIER_nondet_uchar() [L139] input_409 = __VERIFIER_nondet_uchar() [L140] input_413 = __VERIFIER_nondet_uchar() [L143] SORT_7 var_11_arg_0 = state_9; [L144] SORT_1 var_11 = var_11_arg_0 >> 4; [L145] SORT_1 var_13_arg_0 = var_11; [L146] EXPR var_13_arg_0 & mask_SORT_1 [L146] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L147] SORT_12 var_13 = var_13_arg_0; [L148] SORT_12 var_15_arg_0 = var_13; [L149] SORT_12 var_15_arg_1 = var_14; [L150] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L151] SORT_7 var_16_arg_0 = state_9; [L152] SORT_4 var_16 = var_16_arg_0 >> 0; [L153] SORT_4 var_17_arg_0 = var_16; [L154] EXPR var_17_arg_0 & mask_SORT_4 [L154] var_17_arg_0 = var_17_arg_0 & mask_SORT_4 [L155] SORT_12 var_17 = var_17_arg_0; [L156] SORT_12 var_18_arg_0 = var_17; [L157] SORT_12 var_18_arg_1 = var_14; [L158] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; [L159] SORT_1 var_19_arg_0 = var_15; [L160] SORT_1 var_19_arg_1 = var_18; [L161] EXPR var_19_arg_0 | var_19_arg_1 [L161] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; [L162] SORT_1 var_23_arg_0 = var_19; [L163] SORT_1 var_23 = ~var_23_arg_0; [L164] SORT_1 var_24_arg_0 = var_22; [L165] SORT_1 var_24_arg_1 = var_23; [L166] EXPR var_24_arg_0 & var_24_arg_1 [L166] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L167] EXPR var_24 & mask_SORT_1 [L167] var_24 = var_24 & mask_SORT_1 [L168] SORT_1 bad_25_arg_0 = var_24; [L169] CALL __VERIFIER_assert(!(bad_25_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 121.6MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1120.43ms. Allocated memory is still 182.5MB. Free memory was 143.6MB in the beginning and 134.7MB in the end (delta: 8.9MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 519.87ms. Allocated memory is still 182.5MB. Free memory was 134.7MB in the beginning and 88.8MB in the end (delta: 45.8MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 438.43ms. Allocated memory was 182.5MB in the beginning and 276.8MB in the end (delta: 94.4MB). Free memory was 88.8MB in the beginning and 171.2MB in the end (delta: -82.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 12415.96ms. Allocated memory was 276.8MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 171.2MB in the beginning and 878.6MB in the end (delta: -707.4MB). Peak memory consumption was 450.3MB. Max. memory is 16.1GB. * CodeCheck took 2582.95ms. Allocated memory is still 1.4GB. Free memory was 878.6MB in the beginning and 1.1GB in the end (delta: -236.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.85ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:57:22,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:57:26,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:57:26,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2023-11-11 23:57:26,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:57:26,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:57:26,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:57:26,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:57:26,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:57:26,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:57:26,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:57:26,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:57:26,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:57:26,290 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:57:26,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:57:26,293 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:57:26,293 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:57:26,294 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:57:26,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:57:26,295 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:57:26,297 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:57:26,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:57:26,299 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:57:26,299 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:26,300 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:26,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:57:26,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:26,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:57:26,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:57:26,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:57:26,303 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:57:26,305 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:26,306 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:57:26,306 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:57:26,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:57:26,307 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f [2023-11-11 23:57:26,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:57:26,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:57:26,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:57:26,889 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:57:26,890 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:57:26,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c [2023-11-11 23:57:30,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:57:31,281 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:57:31,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c [2023-11-11 23:57:31,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/data/9cc0b4d73/49aee0224bff4574835b4783adc79d3d/FLAGd48cf4981 [2023-11-11 23:57:31,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/data/9cc0b4d73/49aee0224bff4574835b4783adc79d3d [2023-11-11 23:57:31,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:57:31,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:57:31,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:31,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:57:31,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:57:31,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:31" (1/1) ... [2023-11-11 23:57:31,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8d1b9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:31, skipping insertion in model container [2023-11-11 23:57:31,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:57:31" (1/1) ... [2023-11-11 23:57:31,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:57:31,800 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260] [2023-11-11 23:57:32,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:32,296 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:57:32,314 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260] [2023-11-11 23:57:32,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:57:32,528 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:57:32,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32 WrapperNode [2023-11-11 23:57:32,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:57:32,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:32,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:57:32,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:57:32,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,757 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1934 [2023-11-11 23:57:32,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:57:32,758 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:57:32,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:57:32,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:57:32,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,771 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:32,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:33,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:57:33,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:57:33,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:57:33,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:57:33,011 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:57:32" (1/1) ... [2023-11-11 23:57:33,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:57:33,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:57:33,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:57:33,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:57:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:57:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:57:33,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:57:33,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:57:33,622 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:57:33,625 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:57:38,017 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:57:38,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:57:38,210 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:57:38,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:38 BoogieIcfgContainer [2023-11-11 23:57:38,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:57:38,215 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:57:38,216 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:57:38,228 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:57:38,229 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:57:38" (1/1) ... [2023-11-11 23:57:38,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:57:38,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-11 23:57:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-11 23:57:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:57:38,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:38,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:38,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:38,336 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:38,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:57:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:39,231 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:39,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-11 23:57:39,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:39,926 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-11 23:57:39,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:57:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:57:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2023-11-11 23:57:40,396 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2023-11-11 23:57:40,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:57:40,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:57:40,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:57:40,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:57:40,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:57:40,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-11 23:57:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:42,303 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-11 23:57:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:57:43,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-11 23:57:43,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-11 23:57:43,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:57:43,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c29d458-644b-4129-9c3c-e34351eb3260/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0